/*
Copyright 2016 Euan Kemp

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package kmsgparser

import stdlog "log"

// Logger is a glog compatible logging interface
// The [StandardLogger] struct can be used to convert a [log.Logger] into this
// interface.
type Logger interface {
	Warningf(string, ...interface{})
	Infof(string, ...interface{})
	Errorf(string, ...interface{})
}

// StandardLogger adapts the [log.Logger] interface to be a [Logger].
type StandardLogger struct {
	*stdlog.Logger
}

func (s *StandardLogger) Warningf(fmt string, args ...interface{}) {
	if s.Logger == nil {
		return
	}
	s.Logger.Printf("[WARNING] "+fmt, args)
}

func (s *StandardLogger) Infof(fmt string, args ...interface{}) {
	if s.Logger == nil {
		return
	}
	s.Logger.Printf("[INFO] "+fmt, args)
}

func (s *StandardLogger) Errorf(fmt string, args ...interface{}) {
	if s.Logger == nil {
		return
	}
	s.Logger.Printf("[INFO] "+fmt, args)
}
